The two classmates said goodbye and went their respectable ways.（)

The world food production is said to be increased by______in next two decades.A．15%B．20%C．

It was not so long ago that parents drove a teenager to campus, said a tearful goodbye an

He saw his friends ________ at the airport last Sunday.A、A. throughB、offC、leaveD、goodbye

The platform. _____ with people _____ goodbye to friends and relatives .A.was crowd

The boy ahead of me is my classmate.

The manager said that there were two reasons ______ our sales dropped sharply last year.A.